Power Windows Inoperative. Chevrolet PJJ 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you review the power windows description and operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms
2 | Operate all of the power windows up and down. Are all of the power windows inoperative? | Go to Step 3 | Go to Step 5

3

1. Turn OFF the ignition.
2. Disconnect the power window switch connector.
3. Turn ON the ignition, leaving the engine OFF.
4. Probe the ignition 3 voltage circuit of the power window switch connector with a test lamp connected to a known good ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 15

4 | Test for an open in the power window switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 16
5 | Operate the driver side power window up and down. Is the driver side power window inoperative? | Go to Step 6 | Go to Step 9

6

1. Turn OFF the ignition.
2. Disconnect the power window control module connector.
3. Turn ON the ignition, leaving the engine OFF.
4. Probe the power window master switch right front down signal circuit of the power window control module connector with a test lamp connected to a known good ground.
5. Press the driver side window switch DOWN position.

Does the test lamp illuminate?

Go to Step 7

Go to Step 11

7

1. Probe the power window motor right front up circuit of the power window control module connector with a test lamp connected to a known good ground.
2. Press the driver side window switch UP position.

Does the test lamp illuminate?

Go to Step 8

Go to Step 12

8

1. Probe the power window motor right front down circuit of the power window control module connector with a test lamp connected to a known good ground.
2. Press the driver side window switch DOWN position.

Does the test lamp illuminate?

Go to Step 9

Go to Step 18

9

1. Reconnect the power window control module connector (if disconnected).
2. Disconnect the inoperative power window motor.
3. Probe the power window motor down circuit of the power window motor connector with a test lamp connected to a known good ground.
4. Press the window switch DOWN position.

Does the test lamp illuminate?

Go to Step 10

Go to Step 13

10

1. Probe the power window motor up circuit of the power window motor connector with a test lamp connected to a known good ground.
2. Press the window switch UP position.

Does the test lamp illuminate?

Go to Step 17

Go to Step 14

11 | Test for an open or short to ground in the power window switch right front down circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 21
12 | Test for an open or short to ground in the power window switch right front up circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 21
13 | Repair an open or short to ground in the power window motor down circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 22 | --
14 | Repair an open or short to ground in the power window motor up circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 22 | --
15 | Repair the open or short to ground in the power window switch ignition 3 voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 22 | --
16 | Test for a poor connection at the power window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 21
17 | Test for a poor connection at the power window motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 19
18 | Test for a poor connection at the power window control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 22 | Go to Step 20
19 | Replace the power window motor. Refer to Motor Replacement - Power Window. Did you complete the replacement? | Go to Step 22 | --
20 | Replace the power window control module. Did you complete the replacement? | Go to Step 22 | --
21 | Replace the power window switch. Refer to Power Window Switch Replacement in Instrument Panel, Gauges and Console. Did you complete the replacement? | Go to Step 22 | --
22 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3